Added step=1 to the time input to add seconds selection.

Without the step modifier users on Chrome mobile couldn't edit
blogs because the seconds were missing
(hh:mm while hh:mm:ss was expected)

This is my first commit, hope it worked :)

system/admin/views/edit-content.html.php

@@ -95,7 +95,7 @@ if (config('permalink.type') == 'post') {
         <input type="date" name="date" class="text" value="<?php echo date('Y-m-d', $postdate); ?>">
         <br>
         Hour, Minute, Second<br>
-        <input type="time" name="time" class="text" value="<?php echo $time->format('H:i:s'); ?>">
+        <input step="1" type="time" name="time" class="text" value="<?php echo $time->format('H:i:s'); ?>">
         <br><br>
         Meta Description (optional)<br>
         <textarea name="description" rows="3" cols="20"><?php if (isset($p->description)) { echo $p->description; } else { echo $olddescription;} ?></textarea>
@@ -170,4 +170,4 @@ if (config('permalink.type') == 'post') {
 <div id="wmd-preview" class="wmd-panel wmd-preview"></div>
 <!-- Declare the base path. Important -->
 <script type="text/javascript">var base_path = '<?php echo site_url() ?>';</script>
-<script type="text/javascript" src="<?php echo site_url() ?>system/admin/editor/js/editor.js"></script>
+<script type="text/javascript" src="<?php echo site_url() ?>system/admin/editor/js/editor.js"></script>